模型的唯一真正检验是其预测未来的能力，而未来总是不确定的。
The only thing that can make you brave is your own fear.
Boundaries define us. They define what is me and what is not me. A boundary shows me where I end and someone else begins, leading me to a sense of ownership.
所有儿童都应被善意地欺骗，认为成长的过程没有伤痛。
没有情感，就不会有黑暗向光明、冷漠向活力的转变。
任何工厂中最危险的化学品不是罐子里的那些，而是自满情绪。
The greatest enemy of a good plan is the dream of a perfect plan.